Fix an issue that download fails for non-http(s) protocols

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
index ee41a0f07fc472471867e0eda20777efb58da4b4..959c60b6a5460f94dedb3e4a0e2d3b6bc7071de1 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
@@ -101,9 +101,12 @@ public class DownloadManagerDelegate {
                 Method method = c.getMethod("addCompletedDownload", args);
                 // OriginalUri has to be null or non-empty, and cannot be file scheme.

[David Trainor- moved to gerrit, 2017/05/14 05:55:14]

Update the comment too

[qinmin, 2017/05/15 17:59:18]

Done.

                 Uri originalUri = TextUtils.isEmpty(originalUrl) ? null : Uri.parse(originalUrl);
-                if (originalUri != null && UrlConstants.FILE_SCHEME.equals(
-                        originalUri.normalizeScheme().getScheme())) {
-                    originalUri = null;
+                if (originalUri != null) {
+                    String scheme = originalUri.normalizeScheme().getScheme();
+                    if (scheme == null || (!scheme.equals(UrlConstants.HTTPS_SCHEME)
+                            && !scheme.equals(UrlConstants.HTTP_SCHEME))) {
+                        originalUri = null;
+                    }
                 }
                 Uri refererUri = TextUtils.isEmpty(referer) ? null : Uri.parse(referer);
                 downloadId = (Long) method.invoke(manager, fileName, description, true, mimeType,